What is the name of the most radioactive isotope on the planet?
Rad 226
Uranus 235
Polonium 210
plutonium 244
210Po is extremely toxic, with one microgram being enough to kill the average adult (250,000 times more toxic than hydrogen cyanide by weight). 210Po was used to kill Russian dissident and ex-FSB officer Alexander V. Litvinenko in 2006.
reach: rather globalchemical elementschemistryisotopesphysicsradioactivity
Answers by country
Rad 226
Uranus 235
Polonium 210
plutonium 244
answers
Switzerland19
Greece17
Australia35
the United States89
Austria37
Ghana11
Germany207
India151
Nigeria34
Poland1994
Pakistan11
the United Kingdom55
the Netherlands12
Canada10